CVE-2007-1850
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedDirectory traversal vulnerability in classes/captcha/captcha.jpg.php in Drake CMS allows remote attackers to read arbitrary files or list arbitrary directories, and obtain the installation path, via a .. (dot dot) in the d_private parameter. NOTE: Drake CMS has only a beta version available, and the vendor has previously stated "We do not consider security reports valid until the first official release of Drake CMS."
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceDirectory traversal vulnerability in Drake CMS captcha handler allows remote attackers to read arbitrary files or list directories via `..` sequences in the d_private parameter. The vulnerability is in classes/captcha/captcha.jpg.php and can expose sensitive system files, configuration data, and the installation path.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Drake CMS installationSearch the web root directory for the file classes/captcha/captcha.jpg.php. Use a file search command or check the directory structure for the presence of this path.Affected if The file classes/captcha/captcha.jpg.php exists on the server, indicating Drake CMS is installed.
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Verify captcha handler is accessibleAttempt to access the captcha handler directly via HTTP request to the full URL path classes/captcha/captcha.jpg.php or captcha/captcha.jpg.php, depending on the installation structure.Affected if The captcha handler responds to requests, meaning the vulnerable component is exposed.
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Check if d_private parameter is processedExamine the captcha.jpg.php source code for the presence and handling of the d_private parameter, or test by sending a request with a test value for d_private.Affected if The d_private parameter is accepted and processed by the captcha handler.
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Test for directory traversal capabilitySend a request to the captcha handler with d_private=../ (or similar path with .. sequences) and observe the application's response behavior or error messages.Affected if The application accepts .. sequences in the d_private parameter without rejecting or sanitizing them, enabling directory traversal.
A user is affected if Drake CMS is installed with the captcha component (captcha.jpg.php) accessible and the d_private parameter accepted without filtering of .. sequences.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataSince no vendor patch exists for this beta product, implement input validation to strip or reject `..` sequences in the d_private parameter, or disable the vulnerable captcha component entirely. Consider deploying a WAF to filter path traversal patterns as an interim control.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2007-1850 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2007-1850 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data